<html>

<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
  <style type="text/css">
    body,
    html,
    #allmap {
      width: 100%;
      height: 100%;
      overflow: hidden;
      margin: 0;
      font-family: "微软雅黑";
    }
  </style>
  <script type="text/javascript" src="http://api.map.baidu.com/getscript?v=2.0&ak=6Ej99wrRa8eXjAYpP2Auh3eg&services=&t=20170517145936"></script>
  <title>给覆盖物注册事件</title>
</head>

<body>
  <div id="allmap"></div>
</body>

</html>
<script type="text/javascript">
  // 百度地图API功能
  var map = new BMap.Map("allmap");
  var point = new BMap.Point(116.404, 39.915);
  map.centerAndZoom(point, 15);

  var marker = new BMap.Marker(new BMap.Point(116.404, 39.915)); // 创建点
  marker.addEventListener("click", attribute);
  map.addOverlay(marker); //增加点

  function attribute() {
    var p = marker.getPosition(); //获取marker的位置
    alert("marker的位置是" + p.lng + "," + p.lat);
  }
</script>
